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Aggregation of dext...
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Filippov, Sergey KInstitute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic
(author)
Aggregation of dextran hydrophobically modified by sterically-hindered phenols in aqueous solutions : Aggregates vs. single molecules
- Article/chapterEnglish2008
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Elsevier BV,2008
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LIBRIS-ID:oai:DiVA.org:uu-87759
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-87759URI
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https://doi.org/10.1016/j.eurpolymj.2008.07.041DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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The hydrodynamic properties of dextrans hydrophobically modified by sterically-hindered phenols in aq. soln. were characterized by a combination of Cryogenic Transmission Electron Microscopy (Cryo-TEM), fluorescent spectroscopy, and Dynamic Light Scattering (DLS). All solns. investigated contained aggregates the structure, shape, and crit. aggregation concn. of which are influenced by the amt. of the inserted phenol groups in the polymer matrix. We found that increasing of temp. enhances aggregation. It was established that the crit. aggregation concn. could be well approximated by a logarithmic function of the substitution degree of the glycoside units. The results suggest that the proportion of aggregates is nevertheless negligible in comparison with the proportion of single mols.
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Lezov, Andrey V.
(author)
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Sergeeva, Olga Yu
(author)
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Olifirenko, Alexey S
(author)
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Lesnichin, Stephan B.
(author)
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Domnina, Nina S.
(author)
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Komarova, Elena A.
(author)
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Almgren, MatsUppsala universitet,Fysikalisk kemi(Swepub:uu)matsalmg
(author)
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Karlsson, GöranUppsala universitet,Fysikalisk kemi(Swepub:uu)gorakarl
(author)
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Stepanic, Petr
(author)
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Institute of Macromolecular Chemistry, Academy of Sciences of the Czech RepublicFysikalisk kemi
(creator_code:org_t)
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In:European Polymer Journal: Elsevier BV44:10, s. 3361-33690014-30571873-1945
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Lezov, Andrey V.
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Sergeeva, Olga Y ...
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Domnina, Nina S.
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Komarova, Elena ...
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Almgren, Mats
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- NATURAL SCIENCES
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European Polymer ...
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Uppsala University